diff options
Diffstat (limited to 'tests/auto/corelib/kernel/qtimer')
-rw-r--r-- | tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp b/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp index 18ffbe2908..c318c3a625 100644 --- a/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp +++ b/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp @@ -39,6 +39,8 @@ static bool glibDisabled = []() { }(); #endif +using namespace std::chrono_literals; + class tst_QTimer : public QObject { Q_OBJECT @@ -94,6 +96,8 @@ private slots: void bindToTimer(); void bindTimer(); void automatedBindingTests(); + + void negativeInterval(); }; void tst_QTimer::zeroTimer() @@ -166,7 +170,6 @@ void tst_QTimer::singleShotNormalizes_data() void tst_QTimer::singleShotNormalizes() { - using namespace std::chrono_literals; static constexpr auto TestTimeout = 250ms; QFETCH(QByteArray, slotName); QEventLoop loop; @@ -1287,6 +1290,16 @@ void tst_QTimer::bindToTimer() timer.stop(); QVERIFY(!active); + + // also test that using negative interval updates the binding correctly + timer.start(100); + QVERIFY(active); + timer.setInterval(-100); + QVERIFY(!active); + timer.start(100); + QVERIFY(active); + timer.start(-100); + QVERIFY(!active); } void tst_QTimer::bindTimer() @@ -1367,6 +1380,29 @@ void tst_QTimer::automatedBindingTests() } } +void tst_QTimer::negativeInterval() +{ + QTimer timer; + + // Starting with a negative interval does not change active state. + timer.start(-100ms); + QVERIFY(!timer.isActive()); + + // Updating the interval to a negative value stops the timer and changes + // the active state. + timer.start(100ms); + QVERIFY(timer.isActive()); + timer.setInterval(-100); + QVERIFY(!timer.isActive()); + + // Starting with a negative interval when already started leads to stop + // and inactive state. + timer.start(100); + QVERIFY(timer.isActive()); + timer.start(-100ms); + QVERIFY(!timer.isActive()); +} + class OrderHelper : public QObject { Q_OBJECT |